Home / 1,455,619.36-2,008,728.06-811,025.71

Finding the Fourth Proportional to 1,455,619.36, 2,008,728.06 and 811,025.71

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Solution

The fourth proportional to 1,455,619.36, 2,008,728.06 and 811,025.71 is: 1,119,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,619.36 : 2,008,728.06 = 811,025.71 : x
  2. Step 2: Convert to fraction form
    1,455,619.36/2,008,728.06 = 811,025.71/x
  3. Step 3: Cross multiply
    1,455,619.36x = 2,008,728.06 × 811,025.71
  4. Step 4: Simplify right side
    1,455,619.36x = 1,629,130,108,856.37
  5. Step 5: Solve for x
    x = 1,629,130,108,856.37/1,455,619.36
  6. Step 6: Final answer
    x = 1,119,200.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.